def write_stl_file(compound, filename, tolerance=None, angular_tolerance=None):
# Remove previous mesh data
BRepTools.Clean_s(compound)
mesh = BRepMesh_IncrementalMesh(compound, tolerance, True, angular_tolerance)
mesh.Perform()
writer = StlAPI_Writer()
result = writer.Write(compound, filename)
# Remove the mesh data again
BRepTools.Clean_s(compound)
return result
def _fromTopoDS(
cls: Type["BoundBox"],
shape: TopoDS_Shape,
tol: Optional[float] = None,
optimal: bool = True,
):
"""
Constructs a bounding box from a TopoDS_Shape
"""
tol = TOL if tol is None else tol # tol = TOL (by default)
bbox = Bnd_Box()
if optimal:
BRepBndLib.AddOptimal_s(
shape, bbox
) # this is 'exact' but expensive - not yet wrapped by PythonOCC
else:
mesh = BRepMesh_IncrementalMesh(shape, tol, True)
mesh.Perform()
# this is adds +margin but is faster
BRepBndLib.Add_s(shape, bbox, True)
return cls(bbox)